GitLab

- rename serprog_delay parameter to usecs
- fix code style, (output) formatting issues and comments
- sp_docommand: remove unnecessary malloc+memcpy and fix formatting

Corresponding to flashrom svn r1456.
Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>